Não informado. (1964). Journal of the Institute of Health Education. Institute of Health Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Institute of Health Education. Sheffield, Inglaterra: Institute of Health Education, 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Institute of Health Education. Institute of Health Education, 1964.
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